Spot filmer



March 1965 D. M. BARRETT EZTAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 1 85 INV DAVID M. BARRETT,

EDGAR J. BASTIN, FIG. 2 BY flISkEEEUEE ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet .2

FIG.3

INVENTORS g M. BARRETT, 8 EDGAR J. BASTIN,

BY CHARLES R. HEHMEYER a MICHAEL HURA y/g fi/ %/44/\,

ATTORNEYS March 9, 1965 Filed Dec. 28, 1961 D. M. BARRETT ETAL SPOT FI-LMER 22 Sheets-Sheet 3 IN V EN TORS DAVID M. BARRETT, EDGAR J. BASTIN, CHARLES R. HEHME YER 8 MICHAEL HURA ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 4 IN VENTORS DAVID M. BARRETT EDGAR J. BASTIN,

BY CI'MRLES R. HEHMEYERG MICHAEL HURA W: a 7 l/ AT TORNEYS March 1965 n. M. BARRETT ETAL 3,

SPOT FILMER 22 Sheets-Sheet 5 Filed Dec. 28, 1961 FIG.8

V TOR DAVID M. TT, EDGAR J. BASTIN,

BY CHARLES R. HEHMEYER 8 MICHAEL HURA ATTORNEYS March 1965 D. M. BARRETT ETAL. 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 6 INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN, CHARLES R- HEHMEYER 6 MICHAEL HURA ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,003

SPOT FILMER 22 Sheets-Sheet 7 Filed Dec. 28, 1961 INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN,

BY 451.55 HMEYER a 1 A L 74; War Z ATTORNEYS March 9, 1965 o. M. BARRETT ETAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 8 |j IIIIIIIIIIIIIIII IN V EN TORS DAVID M BARRETT, EDGAR J. BAS TIN, BY CHARLES R. HEHME YER 8 MICHAEL HURA ATTORNEYS March 9, 1965 n. M. BARRETT ETAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 9 FIG. I5

INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN,

BY CHARLES R. HEHMEYER a MICHAEL HURA AT ZS March 9, 1965 Filed Dec. 28, 1961 D. M. BARRETT ET-AL SPOT FILMER 22 Sheets-Sheet 10 FIG. I6

INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN, CHARLES R. HEHMEYER 8 MICHAEL. HURAM/ y/ fi, one 7 W ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,008

SPOT FILMER Filed Dec. 28. 1961 v 22 Sheets-Sheet 11 8 INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN, BY CHARLES R. HEHMEYER 8 MICHAEL HURA 22% ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,008

SPOT FILMER Filed Dec. 28. 1961 22 Sheets-Sheet l2 FIG. I8

% IN VENTORS DAVID M. BARRETT, EDGAR J. BASTIN, BY CHARLES R. HEHMEYERa MICHAEL HURA ATTORNEYS March 9, 1965 D. M. BARRETT ETAL SPOT FILMER 22 Sheets-Sheet 13 Filed Dec. 28. 1961 INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN,

BY CHARLES R- HEHME YER 8 MICHAEL HURA ATTORNEYS March 1965 D. M. BARRETT ETAL 3,17

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 14 FIG. 20

INVENTORS DAVID M. BARRETT, EDGAR .1. BASTIN, BY m5 ME a 2/2zfl w A ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3, 0

SPOT FILMER 22 Sheets-Sheet 15 Filed Dec. 28, 1961 INVENTORS DAVID M. BARRETT, EDGAR J. BASTJN, BY CHARLES R. HEHMEYER a MICHAEL HURA ATTORNEYS March 9, 1965 D. M. BARRETT ETAL SPOT FILMER 22 Sheets-Sheet 16 Filed Dec. 28, 1961 INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN, BY CHARLES R. HEHMEYER 8 MICHAEL HURA 7/4/7- .420 4 74/1 ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 22 Sheets-Sheet 17 FIG. 23

INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN, BY CHARLES R. HEHMEYER 8 MICHAEL HURA Maw $24150 ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,008

SPOT FILMER Filed Dec. 28. 1961 22 Sheets-Sheet 18 FIG. 24

IN VEN TORS DAVID M. BARRETT,

EDGAR J. BASTIM' 2,75% 515 ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,005

SPOT FILMER 22 Sheets-Sheet 19 Filed Dec. 28, 1961 IN VENTORS DAVID M. BARRETT; EDGAR J. BASTIN,

CHARLES R. HEHMEYER 8 MICHAEL HURA ATTORNEYS March 9, 1965 D. M. BARRETT ETAL 3,173,003

SPOT FILMER Filed Dec. 28, 1961 2.2 Sheets-Sheet 2'0 v s s 8 0 (\1 :3 2 LL INVENTORS DAVID M. BARRETT, EDGAR J. BASTIN,

BY CHARLES R. HEHMEYER a MICHAEL HURA X/Q'Zz'ifi 1d A T TORNEYS 

26. IN A SPOT FILMER HAVING A FRAME WITH A FRONT LOAD OPENING AND A CARRIAGE MOVABLY MOUNTED ON THE FRAME, THE COMBINATION OF: (A) DRIVE MEANS INTERPOSED BETWEEN THE FRAME AND THE CARRIAGE FOR GUIDING THE CARRIAGE THROUGH A SELECTED ONE OF A GROUP OF RADIOGRAPHIC EXPOSURE SEQUENCES AND SELECTIVELY INTO A LOAD POSITION ADJACENT THE FRONT LOAD OPENING; (B) A CROSS CARRIAGE MOUNTED ON THE CARRIAGE FOR TRANSVERSE MOVEMENT; (C) JAW MEANS ON THE CROSS CARRIAGE FOR RETENTIVELY GRIPPING A CASSETTE; (D) MEANS OPERATIVELY CONNECTED TO THE CARRIAGE AND THE CROSS CARRIAGE FOR PREVENTING RELATIVE MOVEMENT OF THE CARRIAGE AND THE CROSS CARRIAGE IN EACH POSITION IN EACH SUCH EXPOSURE SEQUENCE; AND, (E) MEANS TO PREVENT THE RETRACTION OF THE CARRIAGE FROM THE LOAD POSITION WHENEVER A CASSETTE IS IMPROPERLY POSITIONED IN THE CROSS CARRIAGE. 